Migrate topic module to cmp

feature/topic/src/commonMain/kotlin/com/google/samples/apps/nowinandroid/feature/topic/TopicScreen.kt

@@ -71,6 +71,7 @@ import nowinandroid.feature.topic.generated.resources.feature_topic_loading
 import org.jetbrains.compose.resources.stringResource
 import org.jetbrains.compose.ui.tooling.preview.Preview
 import org.jetbrains.compose.ui.tooling.preview.PreviewParameter
+import org.koin.compose.viewmodel.koinViewModel
 
 @Composable
 internal fun TopicScreen(
@@ -78,7 +79,7 @@ internal fun TopicScreen(
     onBackClick: () -> Unit,
     onTopicClick: (String) -> Unit,
     modifier: Modifier = Modifier,
-    viewModel: TopicViewModel,
+    viewModel: TopicViewModel = koinViewModel(),
 ) {
     val topicUiState: TopicUiState by viewModel.topicUiState.collectAsStateWithLifecycle()
     val newsUiState: NewsUiState by viewModel.newsUiState.collectAsStateWithLifecycle()

feature/topic/src/commonMain/kotlin/com/google/samples/apps/nowinandroid/feature/topic/TopicViewModel.kt

@@ -37,9 +37,10 @@ import kotlinx.coroutines.flow.combine
 import kotlinx.coroutines.flow.map
 import kotlinx.coroutines.flow.stateIn
 import kotlinx.coroutines.launch
-import me.tatarka.inject.annotations.Inject
+import org.koin.android.annotation.KoinViewModel
 
-class TopicViewModel @Inject constructor(
+@KoinViewModel
+class TopicViewModel(
     savedStateHandle: SavedStateHandle,
     private val userDataRepository: UserDataRepository,
     topicsRepository: TopicsRepository,

feature/topic/src/commonMain/kotlin/com/google/samples/apps/nowinandroid/feature/topic/di/TopicModule.kt

@@ -0,0 +1,26 @@
+/*
+ * Copyright 2024 The Android Open Source Project
+ *
+ * Licensed under the Apache License, Version 2.0 (the "License");
+ * you may not use this file except in compliance with the License.
+ * You may obtain a copy of the License at
+ *
+ *     https://www.apache.org/licenses/LICENSE-2.0
+ *
+ * Unless required by applicable law or agreed to in writing, software
+ * distributed under the License is distributed on an "AS IS" BASIS,
+ * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
+ * See the License for the specific language governing permissions and
+ * limitations under the License.
+ */
+
+package com.google.samples.apps.nowinandroid.feature.topic.di
+
+import com.google.samples.apps.nowinandroid.feature.topic.TopicViewModel
+import org.koin.core.module.dsl.viewModel
+import org.koin.core.module.dsl.viewModelOf
+import org.koin.dsl.module
+
+val topicModule = module {
+    viewModelOf(::TopicViewModel)
+}

feature/topic/src/commonMain/kotlin/com/google/samples/apps/nowinandroid/feature/topic/navigation/TopicNavigation.kt

@@ -20,6 +20,7 @@ import androidx.navigation.NavController
 import androidx.navigation.NavGraphBuilder
 import androidx.navigation.NavOptionsBuilder
 import androidx.navigation.compose.composable
+import com.google.samples.apps.nowinandroid.feature.topic.TopicScreen
 import kotlinx.serialization.Serializable
 
 @Serializable data class TopicRoute(val id: String)
@@ -36,10 +37,10 @@ fun NavGraphBuilder.topicScreen(
     onTopicClick: (String) -> Unit,
 ) {
     composable<TopicRoute> {
-//        TopicScreen(
-//            showBackButton = showBackButton,
-//            onBackClick = onBackClick,
-//            onTopicClick = onTopicClick,
-//        )
+        TopicScreen(
+            showBackButton = showBackButton,
+            onBackClick = onBackClick,
+            onTopicClick = onTopicClick,
+        )
     }
 }